Essential details
MOQ:1000
Lead time:7 to 10 Days
Shipping:Sea freight, Land freight
Package Description:1000 KG/bag
Product Introduction
Sinopec GX series PBT resins are modification-grade polybutylene terephthalate designed specifically for compounding and injection molding applications. Produced by Sinopec Yizheng Chemical Fiber Co., Ltd., these resins offer fast crystallization, high flowability, excellent thermal stability, and consistent batch quality — making them the preferred base material for high-performance modified engineering plastics.
We supply these GX series resins directly from Sinopec Yizheng, leveraging our large-volume procurement to offer competitive pricing and reliable supply for compounders and molders.
| Feature | Description |
| Viscosity Range | 0.65–1.10 dl/g, covering low, medium, and high viscosity grades |
| High Flowability | Suitable for complex and thin-wall injection molded parts |
| Fast Crystallization | Shortens cycle time and improves production efficiency |
| Excellent Thermal Stability | Suitable for high-temperature processing and end-use applications |
| Good Electrical Properties | Excellent insulation performance for electronic applications |
| High Mechanical Strength | Maintains excellent mechanical properties after modification |
Low Extractables (J Series) | GX112J, GX113J, GX121J, GX122J offer low extractables and improved surface finish |
Product Grades & Characteristics
| Grade | Viscosity (dl/g) | Features | Typical Applications |
| GX110 / 111 / 112 / 113 /114 | 0.65–1.10 | General modification grade, high flow, fast crystallization, high mechanical strength | Automotive parts, lamp housings, electrical connectors, electronic components, small appliances |
| GX121 / 122 | 0.85–1.05 | Low extractables, high surface gloss | Air conditioner compressors, refrigerator compressors, headlamp frames, thin-wall parts |
| GX112J / 113J | 0.85–1.05 | Low extractables, superior surface quality | Same as above, for applications requiring high aesthetic appearance |
| GX121J / 122J | 0.85–1.05 | Low extractables, superior surface quality | Same as above |
Quality Certificate – Sinopec GX112 (Batch: YZB46131B1)
The certificate below is issued by Sinopec Yizheng. Each shipment comes with its own original certificate.
| Parameter | Test Result | Specification |
| Intrinsic Viscosity | 0.829 dL/g | 0.820 ± 0.015 |
| Melting Point | 221.6°C | ≥ 223.0°C |
| Carboxyl End Groups | 13 mol/t | ≤ 30 |
| Moisture | 0.05% | ≤ 0.40% |
| Ash Content | 105 mg/kg | ≤ 300 |
